Home / 13,895.42-19,177.91-7,929.03

Finding the Fourth Proportional to 13,895.42, 19,177.91 and 7,929.03

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Solution

The fourth proportional to 13,895.42, 19,177.91 and 7,929.03 is: 10,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.42 : 19,177.91 = 7,929.03 : x
  2. Step 2: Convert to fraction form
    13,895.42/19,177.91 = 7,929.03/x
  3. Step 3: Cross multiply
    13,895.42x = 19,177.91 × 7,929.03
  4. Step 4: Simplify right side
    13,895.42x = 152,062,184.08
  5. Step 5: Solve for x
    x = 152,062,184.08/13,895.42
  6. Step 6: Final answer
    x = 10,943.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.